> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chromaflow.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Observability & SRE

> Metrics, logs, tracing, SLOs, and runbooks to keep real-time systems healthy at global scale.

# Observability

* Metrics: latency, token usage, error rates, WS connections
* Logs: structured JSON with correlation IDs
* Tracing: edge traces and spans across chat → tools → storage
* Alerts: error budgets, quota breaches, degraded regions

## SLOs and SLAs

| Service | SLO | Notes |
| - | - | - |
| Chat Streaming | p99 \< 150ms step | Measured at edge SSE |
| WebSocket Broadcast | p99 \< 30ms | Durable Object affinity |
| Auth Validation | p99 \< 50ms | Token cache enabled |

## Health Checks

* /health verifies DB, integrations, and secrets
* Synthetic probes per region
* Canary deploy with automatic rollback

## Runbooks

* Stripe webhook retries
* Supabase outage fallback (read-only)
* Edge region failover

See also: [Architecture](architecture), [Performance](performance).


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